Sandbox::https://github.com/for0231/java_demo/blob/master/WelcomeApplet.java

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import java.applet.*;

import java.awt.*;

import java.awt.event.*;

public class WelcomeApplet extends Applet implements ActionListener

{

Label lblName;

TextField txtName;

TextField txtDisp;

public void init()

{

lblName = new Label("请输入您的名字");

txtName = new TextField(8);

txtDisp = new TextField(20);

add(lblName);

add(txtName);

add(txtDisp);

txtName.addActionListener(this);

}

public void actionPerformed(ActionEvent e)

{

txtDisp.setText(txtName.getText() + "欢迎你来到Java世界");

}

public static void main(String args[])

{

Frame f = new Frame("欢迎");

f.addWindowListener(new WindowAdapter() {

public void windowClosing(WindowEvent evt) {

System.exit(0);

}

});

WelcomeApplet a = new WelcomeApplet();

a.init();

f.add("Center", a);

f.setSize(400, 300);

f.show();

a.start();

}